Return-Path: X-Original-To: apmail-hive-dev-archive@www.apache.org Delivered-To: apmail-hive-dev-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 61B1210B25 for ; Wed, 16 Oct 2013 17:11:56 +0000 (UTC) Received: (qmail 11378 invoked by uid 500); 16 Oct 2013 17:11:50 -0000 Delivered-To: apmail-hive-dev-archive@hive.apache.org Received: (qmail 11082 invoked by uid 500); 16 Oct 2013 17:11:46 -0000 Mailing-List: contact dev-help@hive.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@hive.apache.org Delivered-To: mailing list dev@hive.apache.org Received: (qmail 11039 invoked by uid 500); 16 Oct 2013 17:11:45 -0000 Delivered-To: apmail-hadoop-hive-dev@hadoop.apache.org Received: (qmail 10985 invoked by uid 99); 16 Oct 2013 17:11:43 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 16 Oct 2013 17:11:43 +0000 Date: Wed, 16 Oct 2013 17:11:43 +0000 (UTC) From: "Owen O'Malley (JIRA)" To: hive-dev@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Created] (HIVE-5563) Skip reading columns in ORC for count(*) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 Owen O'Malley created HIVE-5563: ----------------------------------- Summary: Skip reading columns in ORC for count(*) Key: HIVE-5563 URL: https://issues.apache.org/jira/browse/HIVE-5563 Project: Hive Issue Type: Bug Components: File Formats Reporter: Owen O'Malley With HIVE-4113, the semantics of ColumnProjectionUtils.getReadColumnIds was fixed so that an empty list means no columns instead of all columns. (Except the caveat of the override of ColumnProjectionUtils.isReadAllColumns.) However, ORC's reader wasn't updated so it still reads all columns. -- This message was sent by Atlassian JIRA (v6.1#6144)